Download Mazda 1984 RX7 Specifications

IGNITION CONTROL SYSTEM - CARBURETED
Article Text
1984 Mazda RX7
For iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Saturday, June 08, 2002 10:49PM
ARTICLE BEGINNING
1984 Exhaust Emission Systems
MAZDA RX7 CARBURETED MODELS
IGNITION CONTROL SYSTEM
DESCRIPTION
The Ignition Control system is used to regulate vacuum
advance of leading and trailing distributor systems. In addition,
this system helps reduce CO and HC emissions by aiding pellet
converter warm-up during cold engine starts.
System consists of leading and trailing components of the
distributor system, vacuum control solenoid valve and connecting
wiring and tubing.
OPERATION
The Ignition Control system operates when engine is cold and
running between 1000-1200 RPM and when engine is hot during quick
deceleration from 3000 RPM.
TESTING
NOTE:
For additional information and adjustments on distributor
spark timing, see appropriate information in "Mazda RX7
Systems & Tune-Up Service Procedures," article in this
section.
Fig. 1:
Ignition Control System
VACUUM CONTROL SOLENOID VALVE
SIGNAL CHECK